MirrorFolder - MirrorFolder is a real-time folder synchronization and backup software
csync - csync is a lightweight utility to synchronize files between two directories on a system or between...
CopyQueue - CopyQueue - Copying under control.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
arRsync - arRsync is a tool that is designed for macOS that is used for transferring and synchronizing files between a computer and a storage drive.
rsync - rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.